Table Of Contents - SunStar KM-235A User Manual

High-speed, single-needle lockstitch sewing machine with automatic trimming devices (with fortuna ac servo motor)

Table of Contents

Contents

1) Sewing machine ......................................................................................................................................................... 8

2) Controller of Servo Motor ......................................................................................................................................... 8

3) Peripheral automation devices (optional) .................................................................................................................. 8

2. Installation

1) Installation of the machine head ................................................................................................................................ 9

2) Installation of the knee-lifting solenoid and the power switch box ......................................................................... 9

3) Lubrication ............................................................................................................................................................... 10

4) Adjustment of belt tension ....................................................................................................................................... 11

5) Installation of the program unit ............................................................................................................................... 11

6) Assembly and adjustment of the synchronizer ....................................................................................................... 12

7) Checking stop position of the sewing machine ...................................................................................................... 13

8) Functions of button ⓐ ............................................................................................................................................. 13

9) Functions of button ⓑ ............................................................................................................................................. 13

3. Adjustment of the sewing machine

1) Inserting a needle ..................................................................................................................................................... 14

2) Adjusting a needle bar ............................................................................................................................................. 14

3) Timing adjustment of the needle and hook ............................................................................................................. 14

4) Adjusting the oil supply of thread take-up unit ....................................................................................................... 15

5) Adjusting the oil supply of the hook ....................................................................................................................... 15

6) Placing lower thread and adjusting tension ............................................................................................................. 15

7) Routing upper thread ................................................................................................................................................ 16

8) Adjusting upper thread ............................................................................................................................................. 16

9) Adjusting presser foot height and pressure ............................................................................................................. 17

10) Adjusting stitch length ........................................................................................................................................... 18

11) Adjusting feed dog height and inclination ............................................................................................................ 18

12) Adjusting the feed cam .......................................................................................................................................... 19

13) Timing adjustment of trimming devices .............................................................................................................. 19

14) Tension adjustment of the fixed blade ................................................................................................................... 21

15) Replacing the movable blade ................................................................................................................................. 21

16) Replacing the fixed blade ...................................................................................................................................... 21

17) Adjusting the bobbin catcher ................................................................................................................................. 22

18) Adjusting the wiper ................................................................................................................................................ 22

4. Cause of troubles and troubleshooting

1) Sewing machine troubleshooting ............................................................................................................................ 23

5. Table drawing ....................................................................................................................................................... 25

..................................................................................................................................... 4